class_docstr: A currency identifier, as defined by ISO-4217.
  
  Parameters
  ----------
  code : str
      ISO-4217 code for the currency.
  
  Attributes
  ----------
  code : str
      ISO-4217 currency code for the currency, e.g., 'USD'.
  name : str
      Plain english name for the currency, e.g., 'US Dollar'.
code: def __hash__(self):
      return hash(self.code)
  
file_path: zipline/zipline/currency.py
imports: from functools import total_ordering
  from iso4217 import Currency
label_desc: Use image node_id 5 for calling the Currency obj's underlying member method code with example usage: obj.__hash__() and returns: hash